Home / 10,583.33-15,831.25-9,621.05

Finding the Fourth Proportional to 10,583.33, 15,831.25 and 9,621.05

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Solution

The fourth proportional to 10,583.33, 15,831.25 and 9,621.05 is: 14,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,583.33 : 15,831.25 = 9,621.05 : x
  2. Step 2: Convert to fraction form
    10,583.33/15,831.25 = 9,621.05/x
  3. Step 3: Cross multiply
    10,583.33x = 15,831.25 × 9,621.05
  4. Step 4: Simplify right side
    10,583.33x = 152,313,144.60
  5. Step 5: Solve for x
    x = 152,313,144.60/10,583.33
  6. Step 6: Final answer
    x = 14,391.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.